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zlopas [31]
3 years ago
13

Help ASAP I will mark brainliest for the correct answer !!!⚡️⚡️⚡️

Chemistry
1 answer:
Free_Kalibri [48]3 years ago
6 0

Answer:

mass

Explanation:

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Calculate the equilibrium constant at 25 ∘C for the reaction Fe(s)+2Ag+(aq)→Fe2+(aq)+2Ag(s)
Murrr4er [49]

Answer:

1.7 × 10 ^42

Explanation:

Using Nernst equation

E°cell = RT/nF Inq

at equilibrium

Q=K

E°cell  = 0.0257 /n Ink= 0.0592/n log K

Fe2+(aq)+2e−→Fe(s)     E∘= −0.45 V

Ag+aq)+e−→Ag(s)         E∘= 0.80 V

Fe(s)+2Ag+(aq)→Fe2+(aq)+2Ag(s)

balance the reaction

Fe → Fe²⁺ + 2e⁻  reversing for oxidation E° = 0.45 v

2 Ag⁺ +2e⁻ → 2Ag

n = 2 moles  and K = equilibrium constant

E° cell = 0.80 + 0.45 = 1.25 V

E° cell = (0.0592 / n) log K  

substitute the value into the equations and solve for K

(1.25 × 2) / 0.0592  = log K

42.23 = log K

k = 10^ 42.23

K = 1.7 × 10 ^42

8 0
3 years ago
What is the correct electron configuration for an element with 5 electrons in
Harlamova29_29 [7]

Answer:

it is c

Explanation:

5 0
3 years ago
What best describes the heat transfer when kinetic energy is converted into potential energy?
Masteriza [31]

Answer:

neither of them, kinetic energy is energy in motion and potential is stored energy so its like saying the heat transfer stopped in a pot

i dont know if that made sense XD

~batmans wife dun dun dun...

4 0
4 years ago
A covalent bond is likely to be polar when ________. one of the atoms sharing electrons is more electronegative than the other a
nekit [7.7K]

Answer:

one of the atoms sharing electrons is more electronegative than the other atom

Explanation:

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What’s a predator? Are predators animals?
Setler [38]

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its an animal that preys on others

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